Breath of Fury - Ravnica: City of Guilds - 116

Enchantment — Aura

Mana Cost: {2}{R}{R}

Enchant creature you control
When enchanted creature deals combat damage to a player, sacrifice it and attach this Aura to a creature you control. If you do, untap all creatures you control and after this phase, there is an additional combat phase.

Rare · Ravnica: City of Guilds · #116 (RAV)

Illustrated by Kev Walker